J Integr Plant Biol. ›› 1989, Vol. 31 ›› Issue (7): -.

• Research Articles •    

Studies on the Naphthaquinone Constituents of Onosma confertum W. W. Smith and Quantitative Determination of Shikonin

Ai Ke-hui, Li Feng-ying, Li Yong, Wang Wei-bo and Wu Yu-yong   

Abstract: Four compounds were isolated from Onosma confertum W. W. Smith. They were identified as deoxyshikonine (Ⅰ), β, β-dimethylacrylshkonin (Ⅱ), acetylshikonine (Ⅲ) and shikonin (Ⅳ) according to their physical and chemical constants from MS, IR, 1H-NMR, CD-HPLC determination. The total quantity of shikonin obtained after basic hydrolysis of its derivatives was determined.

Key words: Shikonin, Alkannin, Naphthaquinone derivative

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